package com.cip.email.picasa.servlet;import java.util.logging.Logger;import javax.jdo.JDOHelper;import javax.jdo.PersistenceManagerFactory;public final class PMF {		private static final Logger log = Logger.getLogger(PMF.class.getName());  	  // GAE xml  private static final PersistenceManagerFactory pmfInstance = JDOHelper.getPersistenceManagerFactory("transactions-optional");    // tomcat6 txt file settings  //private static final PersistenceManagerFactory pmfInstance = JDOHelper.getPersistenceManagerFactory("datanucleus.properties");  private PMF() {  }  public static PersistenceManagerFactory get() {      return pmfInstance;  }  }